supervisor behaviour template lost shutdown parameter

[yours0]

-spec init(Args :: term()) -> Result when
Result :: {ok, {SupervisionPolicy, [ChildSpec]}} | ignore,
SupervisionPolicy :: {RestartStrategy, MaxR :: non_neg_integer(), MaxT :: pos_integer()},
RestartStrategy :: one_for_all
| one_for_one
| rest_for_one
| simple_one_for_one,
ChildSpec :: {Id :: term(), StartFunc, RestartPolicy, Type :: worker | supervisor, Modules},
StartFunc :: {M :: module(), F :: atom(), A :: [term()] | undefined},
RestartPolicy :: permanent
| transient
| temporary,
Modules :: [module()] | dynamic.

in ChildSpec , lost shutdown parameter